Double-sided high-voltage electrostatic spinning device

Abstract

The utility model relates to the field of high-voltage electrostatic spinning devices, and discloses a double-sided high-voltage electrostatic spinning device which comprises a box body, connecting bases are arranged on the two sides in the box body, and a placing base is fixedly connected to the upper end of the side, close to the center of the box body, of each connecting base. A second electric telescopic rod is fixedly connected to the side, away from the placing base, of the connecting base, a movable plate is fixedly connected to the output end of the second electric telescopic rod, supporting plates are arranged at the front end and the rear end in the box body, and a receiving plate is connected between the supporting plates on the two sides in a clamped mode. According to the utility model, the solution can be simultaneously sprayed out from the injectors on the two sides through the placement seats on the two sides, fiber webs are formed on the two sides of the receiving plate, and the fiber webs can pass through the clamping grooves of the supporting plates when being extruded inwards through the clamping blocks and are clamped on the two sides of the clamping grooves after being loosened, so that relatively humid air can be conveyed into the dehumidifier for dehumidification through the air inlet pipeline; the influence of over-high humidity on the fiber shape is prevented.

Description

Technical Field

[0001] The utility model relates to the field of high-voltage electrostatic spinning devices, in particular to a double-sided high-voltage electrostatic spinning device. Background Art

[0002] The high-voltage electrospinning device is a device used to prepare nanofibers. It uses high voltage to act on polymers or other solutions, spraying them out of a nozzle and stretching them into fibers, ultimately forming nano-scale fibers. This type of nano-scale fiber has a variety of uses, including for making high-efficiency air filters, textiles with excellent softness and breathability, and for preparing supercapacitors, etc.

[0003] Traditional single-sided high-voltage electrospinning devices mainly apply a high-voltage electrostatic field on a single surface to form polymers or other solutions into fibers under the action of the electric field force. However, this single-sided spinning method has disadvantages such as low spinning efficiency, poor fiber uniformity, and limited output.

[0004] Therefore, those skilled in the art provide a double-sided high-voltage electrospinning device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a double-sided high-voltage electrospinning device is proposed. The solution can be sprayed out from the syringes on both sides at the same time through the seats placed on both sides, and a fiber mesh can be formed on both sides of the receiving plate. The fiber mesh can be squeezed inwardly through the card slot of the support plate by a card block, and can be stuck on both sides of the card slot after being released. The relatively humid air can be sent to the dehumidifier for dehumidification through the air intake pipe to prevent excessive humidity from affecting the shape of the fiber.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A double-sided high-voltage electrostatic spinning device, comprising a box body, connecting seats are arranged on both sides of the box body, a placement seat is fixedly connected to the upper end of the connecting seat on one side close to the center of the box body, a No. 2 electric telescopic rod is fixedly connected to the side of the connecting seat away from the placement seat, a movable plate is fixedly connected to the output end of the No. 2 electric telescopic rod, support plates are arranged at the front and rear ends of the box body, and receiving plates are clamped and connected between the support plates on both sides;

[0008] A dehumidifier is arranged at the lower end of the box body, an air inlet pipe is arranged at the center of one side of the dehumidifier, an air outlet pipe is arranged at the center of one side of the dehumidifier away from the air inlet pipe, and filters are movably connected to both sides of the box body;

[0009] Through the above technical scheme, the placement of the placement seat is convenient for placing the syringe filled with the solution. The material of the placement seat is plastic and the size is slightly smaller than the syringe shell. The syringe can be stuck in the seat. The No. 2 electric telescopic rod is convenient for driving the movable plate to move when it is extended, thereby pushing the movable rod of the syringe to spray out the solution. The setting of the receiving plate is convenient for collecting and depositing the nanofibers formed in the spinning process. The setting of the dehumidifier is convenient for dehumidifying the air in the box to prevent uneven fiber stretching or irregular shapes caused by excessive humidity. The setting of the air outlet pipe and the air inlet pipe is convenient for sending the gas to be dehumidified to the inside of the dehumidifier and sending the dehumidified gas back to the box. The setting of the filter net is convenient for preventing impurities such as dust from entering the inside of the dehumidifier or returning to the box.

[0010] Furthermore, the front and rear ends of both sides of the box body are fixedly connected with a No. 1 electric telescopic rod, and the output end of the No. 1 electric telescopic rod is fixedly connected to the connecting seat;

[0011] Through the above technical solution, the arrangement of the No. 1 electric telescopic rod facilitates the connection seat to move up and down when the No. 1 electric telescopic rod is extended or retracted.

[0012] Furthermore, a slider is fixedly connected to the lower end of the support plate on one side, and the slider slides within a limited position inside the box;

[0013] Through the above technical solution, the setting of the slider makes it easy for the support plate to slide in the box, thereby facilitating the detachment of the receiving plate.

[0014] Furthermore, a slide groove is provided at the center of both sides of the receiving plate, and a clamping block is slidably connected at the front and rear ends of the slide groove, and a spring is fixedly connected between the clamping blocks on both sides, and a clamping groove is provided at the upper end of the support plate;

[0015] Through the above technical solution, the setting of the spring makes it easy for the blocks on both sides to pass through the slots when the blocks are squeezed inward, and after being released, the blocks on both sides are driven to move in the opposite direction at the same time to complete the connection with the support plate.

[0016] Furthermore, one side of the clamping block is fixedly connected to a limiting block, and one side of the sliding slot is provided with a limiting slot;

[0017] Through the above technical solution, the setting of the limit block and the limit groove facilitates the movement of the card block to play a limiting role.

[0018] Furthermore, positioning blocks are fixedly connected at the four corners of the lower end of the filter screen, and a plurality of positioning grooves are provided on both sides of the interior of the box body;

[0019] Through the above technical solution, the arrangement of the positioning block and the positioning groove makes it easy to install and disassemble the filter screen, and to clean it.

[0020] Furthermore, a water storage cavity is provided inside the box body, a drainage port is provided at a lower end of one side outside the box body, and the water storage cavity is connected to the drainage port;

[0021] Through the above technical solution, the water generated during dehumidification and stored in the water storage chamber can be easily discharged through the provision of the drain port.

[0022] Furthermore, an observation window is hingedly connected to the upper side of the front end of the box;

[0023] Through the above technical solution, the internal spinning process can be easily observed through the setting of the observation window.

[0024] The utility model has the following beneficial effects:

[0025] 1. A double-sided high-voltage electrospinning device proposed in the utility model, compared with the existing high-voltage electrospinning device, facilitates the spraying of solution on both sides to form a fiber web on both sides of the receiving plate through the placement seats on both sides. After the solution is drawn into the syringe, the syringe is fixed inside the placement seats on both sides, so that the No. 2 electric telescopic rods on both sides are extended, driving the movable plate to squeeze the movable rod of the syringe, so that the solution is sprayed from the nozzles on both sides to form a fiber web. After the spinning is completed, the card blocks are squeezed inwardly to make the card blocks on both sides slide, and through the card slots of the support plate, the support plate on one side is moved to separate it from the receiving plate, and then the support plate on the other side is separated from the receiving plate.

[0026] 2. Compared with the existing high-voltage electrospinning devices, the double-sided high-voltage electrospinning device proposed in the utility model facilitates dehumidification in the box through the setting of a dehumidifier to prevent humidity from affecting spinning. The dehumidifier can be turned on when the humidity is high, and the fan inside the dehumidifier sends the gas in the box to the inside through the air inlet pipe. After dehumidification, the gas is sent back to the box through the air outlet pipe. The filter can filter the gas during air inlet and outlet, and the water generated during dehumidification flows to the inside of the water storage chamber.

[0027] 3. Compared with the existing high-voltage electrospinning devices, the double-sided high-voltage electrospinning device proposed in the utility model facilitates the solution to be ejected from the syringes on both sides at the same time through the arrangement of the placement seats on both sides, and forms a fiber mesh on both sides of the receiving plate. The arrangement of the clamping block facilitates the solution to be squeezed inward through the clamping slot of the support plate, and is clamped on both sides of the clamping slot after being released. The arrangement of the air intake duct facilitates the delivery of relatively humid air to the inside of the dehumidifier for dehumidification, thereby preventing excessive humidity from affecting the shape of the fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is an axonometric diagram of a double-sided high-voltage electrospinning device proposed by the utility model;

[0029] Figure 2This is a schematic diagram of the structure of a box of a double-sided high-voltage electrospinning device proposed by the utility model;

[0030] Figure 3 This is a structural schematic diagram of a support plate and a receiving plate of a double-sided high-voltage electrospinning device proposed by the utility model;

[0031] Figure 4 It is a partial top-sectional view of a support plate and a receiving plate of a double-sided high-voltage electrospinning device proposed by the utility model;

[0032] Figure 5 This is a partial front cross-sectional view of a double-sided high-voltage electrospinning device proposed by the utility model.

[0033] Legend:

[0034] 1. Box body; 2. Support plate; 3. Receiving plate; 4. Block; 5. Slide; 6. Spring; 7. Slot; 8. No. 1 electric telescopic rod; 9. Connecting seat; 10. No. 2 electric telescopic rod; 11. Movable plate; 12. Placement seat; 13. Dehumidifier; 14. Air inlet duct; 15. Air outlet duct; 16. Filter; 17. Positioning block; 18. Positioning slot; 19. Water storage chamber; 20. Drain; 21. Limit block; 22. Limit slot; 23. Observation window; 24. Slider. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the specific implementation of the utility model to clearly and completely describe the technical solutions in the specific implementation of the utility model. Obviously, the specific implementation described is only a part of the specific implementation of the utility model, not all of the specific implementation. Based on the specific implementation of the utility model, all other specific implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-5 , a specific implementation method provided by the utility model:

[0037] A double-sided high-voltage electrostatic spinning device comprises a box body 1, both sides of the box body 1 are provided with connecting seats 9, the front and rear ends of both sides of the box body 1 are fixedly connected to a No. 1 electric telescopic rod 8, the output end of the No. 1 electric telescopic rod 8 is fixedly connected to the connecting seat 9, and the setting of the No. 1 electric telescopic rod 8 facilitates the connecting seat 9 to move up and down when it is extended or retracted, and the upper end of the connecting seat 9 close to the center of the box body 1 is fixedly connected to a placement seat 12, and the setting of the placement seat 12 facilitates the placement of a syringe filled with a solution, which is made of plastic and is slightly smaller than the syringe shell, so that the syringe can be stuck into the seat, and the side of the connecting seat 9 away from the placement seat 12 is fixedly connected to a No. 2 electric telescopic rod 10, and the output end of the No. 2 electric telescopic rod 10 is fixedly connected to a movable plate 11, and the setting of the No. 2 electric telescopic rod 10 facilitates the movable plate 11 to move when it is extended, thereby pushing the movable rod of the syringe to spray the solution, and the front and rear ends of the box body 1 are provided with support The plate 2 has a slider 24 fixedly connected to the lower end of the support plate 2 on one side, and the slider 24 slides within the box body 1 within a limited position. The setting of the slider 24 facilitates the sliding of the support plate 2 in the box, thereby facilitating the detachment of the receiving plate 3. The receiving plate 3 is connected to the support plates 2 on both sides by a clamping connection. The setting of the receiving plate 3 facilitates the collection and deposition of the nanofibers formed during the spinning process. A slide groove 5 is provided at the center of both sides of the receiving plate 3. The front and rear ends of the slide groove 5 are slidably connected to a card block 4. A spring 6 is fixedly connected between the card blocks 4 on both sides. A card slot 7 is provided at the upper end of the support plate 2. The setting of the spring 6 facilitates the card blocks 4 on both sides to pass through the card slot 7 when the card blocks 4 are squeezed inwardly, and drives the card blocks 4 on both sides to move in the opposite direction at the same time after being released, so as to complete the clamping connection with the support plate 2. A limited block 21 is fixedly connected to one side of the card block 4, and a limited slot 22 is provided on one side of the slide groove 5. The setting of the limit block 21 and the limit slot 22 facilitates the movement of the card block 4 to play a limiting role.

[0038] A dehumidifier 13 is provided at the lower end of the box body 1. The dehumidifier 13 is provided to facilitate dehumidification of the air in the box to prevent uneven fiber stretching or irregular shapes caused by excessive humidity. An air inlet pipe 14 is provided at the center of one side of the dehumidifier 13, and an air outlet pipe 15 is provided at the center of one side of the dehumidifier 13 away from the air inlet pipe 14. The air outlet pipe 15 and the air inlet pipe 14 are provided to facilitate the delivery of the gas to be dehumidified to the inside of the dehumidifier 13 and the delivery of the dehumidified gas back to the box. Filters 16 are movably connected to both sides of the box body 1. The setting of 16 is convenient for preventing dust and other impurities from entering the dehumidifier 13 or returning to the box. Positioning blocks 17 are fixedly connected at the four corners of the lower end of the filter 16. A plurality of positioning grooves 18 are provided on both sides of the box body 1. The positioning blocks 17 and the positioning grooves 18 are convenient for installing and removing the filter 16, and convenient for cleaning. A water storage chamber 19 is provided inside the box body 1, and a drain port 20 is provided at the lower end of one side of the outer side of the box body 1. The water storage chamber 19 is connected with the drain port 20. The setting of the drain port 20 facilitates the discharge of water generated during dehumidification stored in the water storage chamber 19;

[0039] An observation window 23 is hingedly connected to the upper side of the front end of the box body 1, and the arrangement of the observation window 23 facilitates observation of the internal spinning process.

[0040] Working principle: When in use, after the solution is drawn into the syringe, the syringe is fixed inside the placement seats 12 on both sides, and the humidity in the box is checked. If the humidity is high, the dehumidifier 13 can be turned on. The fan inside the dehumidifier 13 sends the gas in the box to the inside through the air inlet pipe 14. After dehumidification, the gas is sent back to the box through the air outlet pipe 15. The filter 16 can filter the gas during air inlet and outlet. The water generated during dehumidification flows into the water storage chamber 19. Start the power supply to extend the No. 2 electric telescopic rods 10 on both sides, driving the movable plate 11 to cause the movable rod of the syringe to The solution is extruded so that it is sprayed out from the nozzles on both sides. Due to the effect of the electric field, the solution will be stretched into fine fibers during the spraying process, and will quickly solidify or coagulate after spraying to form a stable fiber structure, which will be deposited on both sides of the receiving plate 3 to form a fiber mesh or fiber membrane. After spinning, the card block 4 is squeezed inwardly so that the card blocks 4 on both sides slide, and through the card slot 7 of the support plate 2, the support plate 2 on one side is moved to separate it from the receiving plate 3, and then the support plate 2 on the other side is separated from the receiving plate 3, so that the fibers can be collected conveniently for subsequent treatment or processing.

[0041] Finally, it should be noted that the above is only a preferred specific implementation method of the present utility model and is not used to limit the present utility model. Although the present utility model is described in detail with reference to the aforementioned specific implementation methods, for those skilled in the art, they can still modify the technical solutions recorded in the aforementioned specific implementation methods, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A double-sided high-voltage electrospinning device, comprising a box (1), characterized in that: Both sides of the box body (1) are provided with connection seats (9); the upper end of the connection seat (9) close to the center of the box body (1) is fixedly connected to a placement seat (12); the side of the connection seat (9) away from the placement seat (12) is fixedly connected to a second electric telescopic rod (10); the output end of the second electric telescopic rod (10) is fixedly connected to a movable plate (11); the front and rear ends of the box body (1) are provided with support plates (2); and receiving plates (3) are connected between the support plates (2) on both sides by clamping; A dehumidifier (13) is arranged at the lower end of the box body (1), an air inlet pipe (14) is arranged at the center of one side of the dehumidifier (13), an air outlet pipe (15) is arranged at the center of one side of the dehumidifier (13) away from the air inlet pipe (14), and filter screens (16) are movably connected to both sides of the box body (1).

2. A double-sided high-voltage electrospinning device according to claim 1, characterized in that: A first electric telescopic rod (8) is fixedly connected to the front and rear ends of both sides of the box body (1), and the output end of the first electric telescopic rod (8) is fixedly connected to a connecting seat (9).

3. A double-sided high-voltage electrospinning device according to claim 1, characterized in that: A slider (24) is fixedly connected to the lower end of the support plate (2) on one side, and the slider (24) slides within a limited position inside the box body (1).

4. A double-sided high-voltage electrospinning device according to claim 1, characterized in that: The receiving plate (3) is provided with a slide groove (5) at the center of both sides, the front and rear ends of the slide groove (5) are slidably connected with a clamping block (4), and a spring (6) is fixedly connected between the clamping blocks (4) on both sides. The upper end of the support plate (2) is provided with a clamping groove (7).

5. A double-sided high-voltage electrospinning device according to claim 4, characterized in that: One side of the clamping block (4) is fixedly connected to a limiting block (21), and one side of the sliding groove (5) is provided with a limiting groove (22).

6. A double-sided high-voltage electrospinning device according to claim 1, characterized in that: Positioning blocks (17) are fixedly connected at the four corners of the lower end of the filter screen (16), and a plurality of positioning grooves (18) are provided on both sides of the interior of the box body (1).

7. A double-sided high-voltage electrospinning device according to claim 1, characterized in that: A water storage chamber (19) is provided inside the box body (1), a drainage outlet (20) is provided at a lower end of one side outside the box body (1), and the water storage chamber (19) is connected to the drainage outlet (20).

8. A double-sided high-voltage electrospinning device according to claim 1, characterized in that: An observation window (23) is hingedly connected to the upper side of the front end of the box body (1).

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